Olson ID Comparison

These tables are informational, just to provide a different view of the Olson data and provide background for the issues involved. For the text accompanying this, see Proposal

Aliases

AlternateMain
1ACTAustralia/Darwin
2AETAustralia/Sydney
3AGTAmerica/Buenos_Aires
4ARTAfrica/Cairo
5ASTAmerica/Anchorage
6America/AtkaAmerica/Adak
7America/EnsenadaAmerica/Tijuana
8America/Fort_WayneAmerica/Indianapolis
9America/Indiana/IndianapolisAmerica/Indianapolis
10America/Kentucky/LouisvilleAmerica/Louisville
11America/Knox_INAmerica/Indiana/Knox
12America/Porto_AcreAmerica/Rio_Branco
13America/RosarioAmerica/Cordoba
14America/ShiprockAmerica/Denver
15America/VirginAmerica/St_Thomas
16Antarctica/South_PoleAntarctica/McMurdo
17Arctic/LongyearbyenEurope/Oslo
18Asia/AshkhabadAsia/Ashgabat
19Asia/ChungkingAsia/Chongqing
20Asia/DaccaAsia/Dhaka
21Asia/IstanbulEurope/Istanbul
22Asia/MacaoAsia/Macau
23Asia/Tel_AvivAsia/Jerusalem
24Asia/ThimbuAsia/Thimphu
25Asia/Ujung_PandangAsia/Makassar
26Asia/Ulan_BatorAsia/Ulaanbaatar
27Australia/ACTAustralia/Sydney
28Australia/CanberraAustralia/Sydney
29Australia/LHIAustralia/Lord_Howe
30Australia/NSWAustralia/Sydney
31Australia/NorthAustralia/Darwin
32Australia/QueenslandAustralia/Brisbane
33Australia/SouthAustralia/Adelaide
34Australia/TasmaniaAustralia/Hobart
35Australia/VictoriaAustralia/Melbourne
36Australia/WestAustralia/Perth
37Australia/YancowinnaAustralia/Broken_Hill
38BETAmerica/Sao_Paulo
39BSTAsia/Dhaka
40Brazil/AcreAmerica/Porto_Acre
41Brazil/DeNoronhaAmerica/Noronha
42Brazil/EastAmerica/Sao_Paulo
43Brazil/WestAmerica/Manaus
44CATAfrica/Harare
45CNTAmerica/St_Johns
46CSTAmerica/Chicago
47CST6CDTAmerica/Chicago
48CTTAsia/Shanghai
49Canada/AtlanticAmerica/Halifax
50Canada/CentralAmerica/Winnipeg
51Canada/East-SaskatchewanAmerica/Regina
52Canada/EasternAmerica/Toronto
53Canada/MountainAmerica/Edmonton
54Canada/NewfoundlandAmerica/St_Johns
55Canada/PacificAmerica/Vancouver
56Canada/SaskatchewanAmerica/Regina
57Canada/YukonAmerica/Whitehorse
58Chile/ContinentalAmerica/Santiago
59Chile/EasterIslandPacific/Easter
60CubaAmerica/Havana
61EATAfrica/Addis_Ababa
62ECTEurope/Paris
63ESTAmerica/Indianapolis
64EST5EDTAmerica/New_York
65EgyptAfrica/Cairo
66EireEurope/Dublin
67Etc/GMT+0Etc/GMT
68Etc/GMT-0Etc/GMT
69Etc/GMT0Etc/GMT
70Etc/GreenwichEtc/GMT
71Etc/UniversalEtc/UTC
72Etc/ZuluEtc/UTC
73Europe/NicosiaAsia/Nicosia
74Europe/TiraspolEurope/Chisinau
75GBEurope/London
76GB-EireEurope/London
77GMTEtc/GMT
78GMT+0Etc/GMT+0
79GMT-0Etc/GMT-0
80GMT0Etc/GMT0
81GreenwichEtc/Greenwich
82HSTPacific/Honolulu
83HongkongAsia/Hong_Kong
84IETAmerica/Indianapolis
85ISTAsia/Calcutta
86IcelandAtlantic/Reykjavik
87IranAsia/Tehran
88IsraelAsia/Jerusalem
89JSTAsia/Tokyo
90JamaicaAmerica/Jamaica
91JapanAsia/Tokyo
92KwajaleinPacific/Kwajalein
93LibyaAfrica/Tripoli
94MITPacific/Apia
95MSTAmerica/Phoenix
96MST7MDTAmerica/Denver
97Mexico/BajaNorteAmerica/Tijuana
98Mexico/BajaSurAmerica/Mazatlan
99Mexico/GeneralAmerica/Mexico_City
100Mideast/Riyadh87Asia/Riyadh87
101Mideast/Riyadh88Asia/Riyadh88
102Mideast/Riyadh89Asia/Riyadh89
103NETAsia/Yerevan
104NSTPacific/Auckland
105NZPacific/Auckland
106NZ-CHATPacific/Chatham
107NavajoAmerica/Denver
108PLTAsia/Karachi
109PNTAmerica/Phoenix
110PRCAsia/Shanghai
111PRTAmerica/Puerto_Rico
112PSTAmerica/Los_Angeles
113PST8PDTAmerica/Los_Angeles
114Pacific/SamoaPacific/Pago_Pago
115PolandEurope/Warsaw
116PortugalEurope/Lisbon
117ROCAsia/Taipei
118ROKAsia/Seoul
119SSTPacific/Guadalcanal
120SingaporeAsia/Singapore
121SystemV/AST4America/Puerto_Rico
122SystemV/AST4ADTAmerica/Halifax
123SystemV/CST6America/Regina
124SystemV/CST6CDTAmerica/Chicago
125SystemV/EST5America/Indianapolis
126SystemV/EST5EDTAmerica/New_York
127SystemV/HST10Pacific/Honolulu
128SystemV/MST7America/Phoenix
129SystemV/MST7MDTAmerica/Denver
130SystemV/PST8Pacific/Pitcairn
131SystemV/PST8PDTAmerica/Los_Angeles
132SystemV/YST9Pacific/Gambier
133SystemV/YST9YDTAmerica/Anchorage
134TurkeyEurope/Istanbul
135UCTEtc/UCT
136US/AlaskaAmerica/Anchorage
137US/AleutianAmerica/Adak
138US/ArizonaAmerica/Phoenix
139US/CentralAmerica/Chicago
140US/East-IndianaAmerica/Indianapolis
141US/EasternAmerica/New_York
142US/HawaiiPacific/Honolulu
143US/Indiana-StarkeAmerica/Indiana/Knox
144US/MichiganAmerica/Detroit
145US/MountainAmerica/Denver
146US/PacificAmerica/Los_Angeles
147US/Pacific-NewAmerica/Los_Angeles
148US/SamoaPacific/Pago_Pago
149UTCEtc/UTC
150UniversalEtc/Universal
151VSTAsia/Saigon
152W-SUEurope/Moscow
153ZuluEtc/Zulu

Skipped Aliases

Mapping
154#Atlantic/Jan_Mayen ; Europe/Oslo
155#Europe/Bratislava ; Europe/Prague
156#Europe/Ljubljana ; Europe/Belgrade
157#Europe/San_Marino ; Europe/Rome
158#Europe/Sarajevo ; Europe/Belgrade
159#Europe/Skopje ; Europe/Belgrade
160#Europe/Vatican ; Europe/Rome
161#Europe/Zagreb ; Europe/Belgrade

Country to Zones

RegRegion NameOlson IDCtT
1ADAndorraEurope/Andorra11
2AEUnited Arab EmiratesAsia/Dubai11
3AFAfghanistanAsia/Kabul11
4AGAntigua and BarbudaAmerica/Antigua11
5AIAnguillaAmerica/Anguilla11
6ALAlbaniaEurope/Tirane11
7AMArmeniaAsia/Yerevan11
8ANNetherlands AntillesAmerica/Curacao11
9AOAngolaAfrica/Luanda11
10AQAntarcticaAntarctica/Palmer;
Antarctica/Rothera;
Antarctica/Syowa;
Antarctica/Vostok, Antarctica/Mawson;
Antarctica/Davis;
Antarctica/Casey;
Antarctica/DumontDUrville;
Antarctica/McMurdo
89
11ARArgentinaAmerica/Mendoza, America/Cordoba, America/Catamarca, America/Buenos_Aires, America/Jujuy15
12ASAmerican SamoaPacific/Pago_Pago11
13ATAustriaEurope/Vienna11
14AUAustraliaAustralia/Perth;
Australia/Darwin;
Australia/Brisbane, Australia/Lindeman;
Australia/Broken_Hill, Australia/Adelaide;
Australia/Sydney, Australia/Melbourne;
Australia/Lord_Howe;
Australia/Hobart
710
15AWArubaAmerica/Aruba11
16AZAzerbaijanAsia/Baku11
17BABosnia and HerzegovinaEurope/Sarajevo11
18BBBarbadosAmerica/Barbados11
19BDBangladeshAsia/Dhaka11
20BEBelgiumEurope/Brussels11
21BFBurkina FasoAfrica/Ouagadougou11
22BGBulgariaEurope/Sofia11
23BHBahrainAsia/Bahrain11
24BIBurundiAfrica/Bujumbura11
25BJBeninAfrica/Porto-Novo11
26BMBermudaAtlantic/Bermuda11
27BNBruneiAsia/Brunei11
28BOBoliviaAmerica/La_Paz11
29BRBrazilAmerica/Rio_Branco, America/Eirunepe;
America/Porto_Velho, America/Manaus, America/Boa_Vista;
America/Cuiaba;
America/Belem, America/Recife, America/Fortaleza, America/Maceio;
America/Araguaina, America/Sao_Paulo;
America/Noronha
613
30BSBahamasAmerica/Nassau11
31BTBhutanAsia/Thimphu11
32BVBouvet Island10
33BWBotswanaAfrica/Gaborone11
34BYBelarusEurope/Minsk11
35BZBelizeAmerica/Belize11
36CACanadaAmerica/Dawson, America/Whitehorse, America/Vancouver;
America/Dawson_Creek;
America/Inuvik, America/Yellowknife, America/Edmonton, America/Cambridge_Bay;
America/Swift_Current, America/Regina;
America/Rainy_River, America/Rankin_Inlet;
America/Winnipeg;
America/Iqaluit, America/Pangnirtung, America/Nipigon, America/Thunder_Bay, America/Montreal;
America/Goose_Bay;
America/Glace_Bay, America/Halifax;
America/St_Johns
1022
37CCCocos (Keeling) IslandsIndian/Cocos11
38CDDemocratic Republic of the CongoAfrica/Kinshasa;
Africa/Lubumbashi
22
39CFCentral African RepublicAfrica/Bangui11
40CGCongoAfrica/Brazzaville11
41CHSwitzerlandEurope/Zurich11
42CICôte d’IvoireAfrica/Abidjan11
43CKCook IslandsPacific/Rarotonga11
44CLChilePacific/Easter;
America/Santiago
22
45CMCameroonAfrica/Douala11
46CNChinaAsia/Kashgar, Asia/Urumqi, Asia/Chongqing, Asia/Shanghai, Asia/Harbin15
47COColombiaAmerica/Bogota11
48CRCosta RicaAmerica/Costa_Rica11
49CUCubaAmerica/Havana11
50CVCape VerdeAtlantic/Cape_Verde11
51CXChristmas IslandIndian/Christmas11
52CYCyprusAsia/Nicosia11
53CZCzech RepublicEurope/Prague11
54DEGermanyEurope/Berlin11
55DJDjiboutiAfrica/Djibouti11
56DKDenmarkEurope/Copenhagen11
57DMDominicaAmerica/Dominica11
58DODominican RepublicAmerica/Santo_Domingo11
59DZAlgeriaAfrica/Algiers11
60ECEcuadorPacific/Galapagos;
America/Guayaquil
22
61EEEstoniaEurope/Tallinn11
62EGEgyptAfrica/Cairo11
63EHWestern SaharaAfrica/El_Aaiun11
64EREritreaAfrica/Asmera11
65ESSpainAtlantic/Canary;
Africa/Ceuta, Europe/Madrid
23
66ETEthiopiaAfrica/Addis_Ababa11
67FIFinlandEurope/Helsinki11
68FJFijiPacific/Fiji11
69FKFalkland IslandsAtlantic/Stanley11
70FMMicronesiaPacific/Yap, Pacific/Truk;
Pacific/Ponape, Pacific/Kosrae
24
71FOFaroe IslandsAtlantic/Faeroe11
72FRFranceEurope/Paris11
73GAGabonAfrica/Libreville11
74GBUnited KingdomEurope/London, Europe/Belfast12
75GDGrenadaAmerica/Grenada11
76GEGeorgiaAsia/Tbilisi11
77GFFrench GuianaAmerica/Cayenne11
78GHGhanaAfrica/Accra11
79GIGibraltarEurope/Gibraltar11
80GLGreenlandAmerica/Thule;
America/Godthab;
America/Scoresbysund;
America/Danmarkshavn
44
81GMGambiaAfrica/Banjul11
82GNGuineaAfrica/Conakry11
83GPGuadeloupeAmerica/Guadeloupe11
84GQEquatorial GuineaAfrica/Malabo11
85GRGreeceEurope/Athens11
86GSSouth Georgia and the South Sandwich IslandsAtlantic/South_Georgia11
87GTGuatemalaAmerica/Guatemala11
88GUGuamPacific/Guam11
89GWGuinea-BissauAfrica/Bissau11
90GYGuyanaAmerica/Guyana11
91HKHong Kong S.A.R., ChinaAsia/Hong_Kong11
92HMHeard Island and McDonald Islands10
93HNHondurasAmerica/Tegucigalpa11
94HRCroatiaEurope/Zagreb11
95HTHaitiAmerica/Port-au-Prince11
96HUHungaryEurope/Budapest11
97IDIndonesiaAsia/Jakarta, Asia/Pontianak;
Asia/Makassar;
Asia/Jayapura
34
98IEIrelandEurope/Dublin11
99ILIsraelAsia/Jerusalem11
100INIndiaAsia/Calcutta11
101IOBritish Indian Ocean TerritoryIndian/Chagos11
102IQIraqAsia/Baghdad11
103IRIranAsia/Tehran11
104ISIcelandAtlantic/Reykjavik11
105ITItalyEurope/Rome11
106JMJamaicaAmerica/Jamaica11
107JOJordanAsia/Amman11
108JPJapanAsia/Tokyo11
109KEKenyaAfrica/Nairobi11
110KGKyrgyzstanAsia/Bishkek11
111KHCambodiaAsia/Phnom_Penh11
112KIKiribatiPacific/Tarawa;
Pacific/Enderbury;
Pacific/Kiritimati
33
113KMComorosIndian/Comoro11
114KNSaint Kitts and NevisAmerica/St_Kitts11
115KPNorth KoreaAsia/Pyongyang11
116KRSouth KoreaAsia/Seoul11
117KWKuwaitAsia/Kuwait11
118KYCayman IslandsAmerica/Cayman11
119KZKazakhstanAsia/Aqtau, Asia/Oral;
Asia/Aqtobe;
Asia/Qyzylorda, Asia/Almaty
35
120LALaosAsia/Vientiane11
121LBLebanonAsia/Beirut11
122LCSaint LuciaAmerica/St_Lucia11
123LILiechtensteinEurope/Vaduz11
124LKSri LankaAsia/Colombo11
125LRLiberiaAfrica/Monrovia11
126LSLesothoAfrica/Maseru11
127LTLithuaniaEurope/Vilnius11
128LULuxembourgEurope/Luxembourg11
129LVLatviaEurope/Riga11
130LYLibyaAfrica/Tripoli11
131MAMoroccoAfrica/Casablanca11
132MCMonacoEurope/Monaco11
133MDMoldovaEurope/Chisinau11
134MGMadagascarIndian/Antananarivo11
135MHMarshall IslandsPacific/Kwajalein, Pacific/Majuro12
136MKMacedoniaEurope/Skopje11
137MLMaliAfrica/Bamako, Africa/Timbuktu12
138MMMyanmarAsia/Rangoon11
139MNMongoliaAsia/Hovd;
Asia/Ulaanbaatar;
Asia/Choibalsan
33
140MOMacao S.A.R., ChinaAsia/Macau11
141MPNorthern Mariana IslandsPacific/Saipan11
142MQMartiniqueAmerica/Martinique11
143MRMauritaniaAfrica/Nouakchott11
144MSMontserratAmerica/Montserrat11
145MTMaltaEurope/Malta11
146MUMauritiusIndian/Mauritius11
147MVMaldivesIndian/Maldives11
148MWMalawiAfrica/Blantyre11
149MXMexicoAmerica/Tijuana;
America/Hermosillo;
America/Mazatlan, America/Chihuahua;
America/Mexico_City, America/Merida, America/Monterrey, America/Cancun
48
150MYMalaysiaAsia/Kuala_Lumpur, Asia/Kuching12
151MZMozambiqueAfrica/Maputo11
152NANamibiaAfrica/Windhoek11
153NCNew CaledoniaPacific/Noumea11
154NENigerAfrica/Niamey11
155NFNorfolk IslandPacific/Norfolk11
156NGNigeriaAfrica/Lagos11
157NINicaraguaAmerica/Managua11
158NLNetherlandsEurope/Amsterdam11
159NONorwayEurope/Oslo11
160NPNepalAsia/Katmandu11
161NRNauruPacific/Nauru11
162NUNiuePacific/Niue11
163NZNew ZealandPacific/Auckland;
Pacific/Chatham
22
164OMOmanAsia/Muscat11
165PAPanamaAmerica/Panama11
166PEPeruAmerica/Lima11
167PFFrench PolynesiaPacific/Tahiti;
Pacific/Marquesas;
Pacific/Gambier
33
168PGPapua New GuineaPacific/Port_Moresby11
169PHPhilippinesAsia/Manila11
170PKPakistanAsia/Karachi11
171PLPolandEurope/Warsaw11
172PMSaint Pierre and MiquelonAmerica/Miquelon11
173PNPitcairnPacific/Pitcairn11
174PRPuerto RicoAmerica/Puerto_Rico11
175PSPalestinian TerritoryAsia/Gaza11
176PTPortugalAtlantic/Azores;
Atlantic/Madeira, Europe/Lisbon
23
177PWPalauPacific/Palau11
178PYParaguayAmerica/Asuncion11
179QAQatarAsia/Qatar11
180RERéunionIndian/Reunion11
181RORomaniaEurope/Bucharest11
182RURussiaEurope/Kaliningrad;
Europe/Moscow;
Europe/Samara;
Asia/Yekaterinburg;
Asia/Omsk, Asia/Novosibirsk;
Asia/Krasnoyarsk;
Asia/Irkutsk;
Asia/Yakutsk;
Asia/Vladivostok, Asia/Sakhalin;
Asia/Magadan;
Asia/Kamchatka, Asia/Anadyr
1114
183RWRwandaAfrica/Kigali11
184SASaudi ArabiaAsia/Riyadh11
185SBSolomon IslandsPacific/Guadalcanal11
186SCSeychellesIndian/Mahe11
187SDSudanAfrica/Khartoum11
188SESwedenEurope/Stockholm11
189SGSingaporeAsia/Singapore11
190SHSaint HelenaAtlantic/St_Helena11
191SISloveniaEurope/Ljubljana11
192SJSvalbard and Jan MayenAtlantic/Jan_Mayen11
193SKSlovakiaEurope/Bratislava11
194SLSierra LeoneAfrica/Freetown11
195SMSan MarinoEurope/San_Marino11
196SNSenegalAfrica/Dakar11
197SOSomaliaAfrica/Mogadishu11
198SRSurinameAmerica/Paramaribo11
199STSao Tome and PrincipeAfrica/Sao_Tome11
200SVEl SalvadorAmerica/El_Salvador11
201SYSyriaAsia/Damascus11
202SZSwazilandAfrica/Mbabane11
203TCTurks and Caicos IslandsAmerica/Grand_Turk11
204TDChadAfrica/Ndjamena11
205TFFrench Southern TerritoriesIndian/Kerguelen11
206TGTogoAfrica/Lome11
207THThailandAsia/Bangkok11
208TJTajikistanAsia/Dushanbe11
209TKTokelauPacific/Fakaofo11
210TLTimor-LesteAsia/Dili11
211TMTurkmenistanAsia/Ashgabat11
212TNTunisiaAfrica/Tunis11
213TOTongaPacific/Tongatapu11
214TRTurkeyEurope/Istanbul11
215TTTrinidad and TobagoAmerica/Port_of_Spain11
216TVTuvaluPacific/Funafuti11
217TWTaiwanAsia/Taipei11
218TZTanzaniaAfrica/Dar_es_Salaam11
219UAUkraineEurope/Uzhgorod, Europe/Kiev, Europe/Zaporozhye, Europe/Simferopol14
220UGUgandaAfrica/Kampala11
221UMUnited States Minor Outlying IslandsPacific/Midway;
Pacific/Johnston;
Pacific/Wake
33
222USUnited StatesPacific/Honolulu;
America/Adak;
America/Nome, America/Anchorage, America/Juneau, America/Yakutat;
America/Los_Angeles;
America/Phoenix;
America/Boise, America/Denver;
America/North_Dakota/Center, America/Chicago, America/Menominee;
America/Indiana/Knox, America/Indianapolis, America/Indiana/Vevay, America/Indiana/Marengo;
America/Kentucky/Monticello, America/Detroit, America/Louisville, America/New_York
921
223UYUruguayAmerica/Montevideo11
224UZUzbekistanAsia/Samarkand, Asia/Tashkent12
225VAVaticanEurope/Vatican11
226VCSaint Vincent and the GrenadinesAmerica/St_Vincent11
227VEVenezuelaAmerica/Caracas11
228VGBritish Virgin IslandsAmerica/Tortola11
229VIU.S. Virgin IslandsAmerica/St_Thomas11
230VNVietnamAsia/Saigon11
231VUVanuatuPacific/Efate11
232WFWallis and FutunaPacific/Wallis11
233WSSamoaPacific/Apia11
234YEYemenAsia/Aden11
235YTMayotteIndian/Mayotte11
236YUYugoslaviaEurope/Belgrade11
237ZASouth AfricaAfrica/Johannesburg11
238ZMZambiaAfrica/Lusaka11
239ZWZimbabweAfrica/Harare11

Zone to Countries (not unique!)

Olson IDCty (Country Name),...
none

ISO Country Codes that do not have Zones

CtyCountry NameRemoved Aliases?
1BVBouvet Island
2HMHeard Island and McDonald Islands
3YUYugoslavia

Zones that don't map to specific ISO Country Codes

Olson ID
1Etc/GMT+12
2Etc/GMT+11
3Etc/GMT+10
4Etc/GMT+9
5Etc/GMT+8
6Etc/GMT+7
7Etc/GMT+6
8Etc/GMT+5
9Etc/GMT+4
10Etc/GMT+3
11Etc/GMT+2
12Etc/GMT+1
13Etc/GMT
14Etc/UCT
15Etc/UTC
16WET
17CET
18Etc/GMT-1
19MET
20EET
21Etc/GMT-2
22Etc/GMT-3
23Asia/Riyadh87
24Asia/Riyadh88
25Asia/Riyadh89
26Etc/GMT-4
27Etc/GMT-5
28Etc/GMT-6
29Etc/GMT-7
30Etc/GMT-8
31Etc/GMT-9
32Etc/GMT-10
33Etc/GMT-11
34Etc/GMT-12
35Etc/GMT-13
36Etc/GMT-14

Windows IDs (Informational)

Olson IDWindows IDWindows Description
1Etc/GMT+12DatelineS (GMT-12:00) International Date Line West
2Pacific/ApiaSamoaS (GMT-11:00) Midway Island, Samoa
3Pacific/HonoluluHawaiianS (GMT-10:00) Hawaii
4America/AnchorageAlaskanD (GMT-09:00) Alaska
5America/Los_AngelesPacificD (GMT-08:00) Pacific Time (US & Canada); Tijuana
6America/PhoenixUS MountainS (GMT-07:00) Arizona
7America/DenverMountainD (GMT-07:00) Mountain Time (US & Canada)
8America/ChihuahuaMexico Standard Time 2D (GMT-07:00) Chihuahua, La Paz, Mazatlan
9America/ManaguaCentral AmericaS (GMT-06:00) Central America
10America/ReginaCanada CentralS (GMT-06:00) Saskatchewan
11America/Mexico_CityMexicoD (GMT-06:00) Guadalajara, Mexico City, Monterrey
12America/ChicagoCentralD (GMT-06:00) Central Time (US & Canada)
13America/IndianapolisUS EasternS (GMT-05:00) Indiana (East)
14America/BogotaSA PacificS (GMT-05:00) Bogota, Lima, Quito
15America/New_YorkEasternD (GMT-05:00) Eastern Time (US & Canada)
16America/CaracasSA WesternS (GMT-04:00) Caracas, La Paz
17America/SantiagoPacific SAD (GMT-04:00) Santiago
18America/HalifaxAtlanticD (GMT-04:00) Atlantic Time (Canada)
19America/St_JohnsNewfoundlandD (GMT-03:30) Newfoundland
20America/Buenos_AiresSA EasternS (GMT-03:00) Buenos Aires, Georgetown
21America/GodthabGreenlandD (GMT-03:00) Greenland
22America/Sao_PauloE. South AmericaD (GMT-03:00) Brasilia
23America/NoronhaMid-AtlanticD (GMT-02:00) Mid-Atlantic
24Atlantic/Cape_VerdeCape VerdeS (GMT-01:00) Cape Verde Is.
25Atlantic/AzoresAzoresD (GMT-01:00) Azores
26Africa/CasablancaGreenwichS (GMT) Casablanca, Monrovia
27Europe/LondonGMTD (GMT) Greenwich Mean Time : Dublin, Edinburgh, Lisbon, London
28Africa/LagosW. Central AfricaS (GMT+01:00) West Central Africa
29Europe/BerlinW. EuropeD (GMT+01:00) Amsterdam, Berlin, Bern, Rome, Stockholm, Vienna
30Europe/ParisRomanceD (GMT+01:00) Brussels, Copenhagen, Madrid, Paris
31Europe/SarajevoCentral EuropeanD (GMT+01:00) Sarajevo, Skopje, Warsaw, Zagreb
32Europe/BelgradeCentral EuropeD (GMT+01:00) Belgrade, Bratislava, Budapest, Ljubljana, Prague
33Africa/JohannesburgSouth AfricaS (GMT+02:00) Harare, Pretoria
34Asia/JerusalemIsraelS (GMT+02:00) Jerusalem
35Europe/IstanbulGTBD (GMT+02:00) Athens, Istanbul, Minsk
36Europe/HelsinkiFLED (GMT+02:00) Helsinki, Kyiv, Riga, Sofia, Tallinn, Vilnius
37Africa/CairoEgyptD (GMT+02:00) Cairo
38Europe/BucharestE. EuropeD (GMT+02:00) Bucharest
39Africa/NairobiE. AfricaS (GMT+03:00) Nairobi
40Asia/RiyadhArabS (GMT+03:00) Kuwait, Riyadh
41Europe/MoscowRussianD (GMT+03:00) Moscow, St. Petersburg, Volgograd
42Asia/BaghdadArabicD (GMT+03:00) Baghdad
43Asia/TehranIranD (GMT+03:30) Tehran
44Asia/MuscatArabianS (GMT+04:00) Abu Dhabi, Muscat
45Asia/TbilisiCaucasusD (GMT+04:00) Baku, Tbilisi, Yerevan
46Asia/KabulAfghanistanS (GMT+04:30) Kabul
47Asia/KarachiWest AsiaS (GMT+05:00) Islamabad, Karachi, Tashkent
48Asia/YekaterinburgEkaterinburgD (GMT+05:00) Ekaterinburg
49Asia/CalcuttaIndiaS (GMT+05:30) Chennai, Kolkata, Mumbai, New Delhi
50Asia/KatmanduNepalS (GMT+05:45) Kathmandu
51Asia/ColomboSri LankaS (GMT+06:00) Sri Jayawardenepura
52Asia/DhakaCentral AsiaS (GMT+06:00) Astana, Dhaka
53Asia/NovosibirskN. Central AsiaD (GMT+06:00) Almaty, Novosibirsk
54Asia/RangoonMyanmarS (GMT+06:30) Rangoon
55Asia/BangkokSE AsiaS (GMT+07:00) Bangkok, Hanoi, Jakarta
56Asia/KrasnoyarskNorth AsiaD (GMT+07:00) Krasnoyarsk
57Australia/PerthW. AustraliaS (GMT+08:00) Perth
58Asia/TaipeiTaipeiS (GMT+08:00) Taipei
59Asia/SingaporeSingaporeS (GMT+08:00) Kuala Lumpur, Singapore
60Asia/Hong_KongChinaS (GMT+08:00) Beijing, Chongqing, Hong Kong, Urumqi
61Asia/IrkutskNorth Asia EastD (GMT+08:00) Irkutsk, Ulaan Bataar
62Asia/TokyoTokyoS (GMT+09:00) Osaka, Sapporo, Tokyo
63Asia/SeoulKoreaS (GMT+09:00) Seoul
64Asia/YakutskYakutskD (GMT+09:00) Yakutsk
65Australia/DarwinAUS CentralS (GMT+09:30) Darwin
66Australia/AdelaideCen. AustraliaD (GMT+09:30) Adelaide
67Pacific/GuamWest PacificS (GMT+10:00) Guam, Port Moresby
68Australia/BrisbaneE. AustraliaS (GMT+10:00) Brisbane
69Asia/VladivostokVladivostokD (GMT+10:00) Vladivostok
70Australia/HobartTasmaniaD (GMT+10:00) Hobart
71Australia/SydneyAUS EasternD (GMT+10:00) Canberra, Melbourne, Sydney
72Asia/MagadanCentral PacificS (GMT+11:00) Magadan, Solomon Is., New Caledonia
73Pacific/FijiFijiS (GMT+12:00) Fiji, Kamchatka, Marshall Is.
74Pacific/AucklandNew ZealandD (GMT+12:00) Auckland, Wellington
75Pacific/TongatapuTongaS (GMT+13:00) Nuku'alofa

Equivalent Modern Zones

Olson IDModern Offset(s)Equiv.date differs (this offset/prev offset)
Sample UTCSample Local
1‑12Etc/GMT+12Dateline
2‑11Pacific/Niue
Pacific/Pago_Pago1978‑10‑01 11:29Z (-11≠-11.5)
Pacific/ApiaSamoa1911‑01‑01 11:26Z (-11.449≠-11.5)
Pacific/Midway1950‑01‑01 11:29Z (-11≠-11.5)
Etc/GMT+111901‑01‑01 11:49Z (-11≠-11.824)
3‑10Pacific/HonoluluHawaiian
Pacific/Fakaofo1947‑06‑08 12:29Z (-10≠-10.5)
Etc/GMT+10Pacific/Johnston1901‑01‑01 11:24Z (-10≠-11.416)
Pacific/Tahiti1912‑10‑01 09:57Z (-9.971≠-10)
Pacific/Rarotonga1991‑03‑03 09:29Z (-9.5≠-10)
4‑10/‑9America/Adak
2004‑04‑04 11:59Z2004‑04‑04 01:59L
2004‑04‑04 12:01Z2004‑04‑04 03:01L
2004‑10‑31 10:59Z2004‑10‑31 01:59L
2004‑10‑31 11:01Z2004‑10‑31 01:01L
5‑9.5Pacific/Marquesas
6‑9Etc/GMT+9
Pacific/Gambier1912‑10‑01 08:59Z (-8.997≠-9)
7‑9/‑8America/Nome
America/AnchorageAlaskan1983‑10‑30 11:59Z (-9≠-10)
America/Juneau1983‑10‑30 08:59Z (-7≠-9)
America/Yakutat1983‑10‑30 09:59Z (-8≠-9)
2004‑04‑04 10:59Z2004‑04‑04 01:59L
2004‑04‑04 11:01Z2004‑04‑04 03:01L
2004‑10‑31 09:59Z2004‑10‑31 01:59L
2004‑10‑31 10:01Z2004‑10‑31 01:01L
8‑8Pacific/Pitcairn
Etc/GMT+81998‑04‑27 08:29Z (-8≠-8.5)
9‑8/‑7America/Dawson
America/Whitehorse1973‑10‑28 08:59Z (-8≠-9)
America/Tijuana1979‑10‑28 08:59Z (-7≠-8)
America/Vancouver1975‑10‑26 08:59Z (-7≠-8)
America/Los_AngelesPacific1975‑04‑27 09:59Z (-7≠-8)
2004‑04‑04 09:59Z2004‑04‑04 01:59L
2004‑04‑04 10:01Z2004‑04‑04 03:01L
2004‑10‑31 08:59Z2004‑10‑31 01:59L
2004‑10‑31 09:00Z2004‑10‑31 01:00L
10‑7America/Dawson_Creek
Etc/GMT+71972‑04‑30 09:59Z (-7≠-8)
America/PhoenixUS Mountain1967‑10‑29 07:59Z (-6≠-7)
America/Hermosillo1998‑10‑25 07:59Z (-6≠-7)
11‑7/‑6America/Mazatlan
America/ChihuahuaMexico Standard Time 21998‑04‑05 08:59Z (-6≠-7)
America/Inuvik2001‑10‑28 07:59Z (-6≠-7)
America/Yellowknife1979‑04‑29 09:59Z (-7≠-8)
America/Edmonton1979‑10‑28 07:59Z (-6≠-7)
America/Boise1975‑04‑27 08:59Z (-6≠-7)
America/DenverMountain1974‑02‑03 08:59Z (-6≠-7)
America/Cambridge_Bay2001‑04‑01 08:59Z (-6≠-7)
2004‑04‑04 08:59Z2004‑04‑04 01:59L
2004‑04‑04 09:00Z2004‑04‑04 03:00L
2004‑10‑31 07:59Z2004‑10‑31 01:59L
2004‑10‑31 08:00Z2004‑10‑31 01:00L
12‑6America/Swift_Current
America/ReginaCanada Central1972‑04‑30 08:59Z (-6≠-7)
Etc/GMT+61960‑04‑24 08:59Z (-6≠-7)
America/Belize1983‑02‑12 04:59Z (-5≠-6)
Pacific/Galapagos1986‑01‑01 04:59Z (-5≠-6)
America/El_Salvador1988‑09‑25 04:59Z (-5≠-6)
America/Tegucigalpa1921‑04‑01 05:48Z (-5.814≠-6)
America/Guatemala1991‑09‑07 04:59Z (-5≠-6)
America/Costa_Rica1992‑03‑15 04:59Z (-5≠-6)
America/ManaguaCentral America1998‑12‑01 04:59Z (-5≠-6)
13‑6/‑5America/Mexico_CityMexico
America/Merida1982‑12‑02 04:59Z (-5≠-6)
America/Monterrey1988‑10‑30 06:59Z (-5≠-6)
America/Cancun1998‑08‑02 05:59Z (-4≠-5)
America/North_Dakota/Center2001‑10‑28 06:59Z (-5≠-6)
America/Rainy_River1992‑10‑25 06:59Z (-5≠-6)
America/ChicagoCentral1975‑04‑27 07:59Z (-5≠-6)
America/Menominee1973‑04‑29 07:59Z (-5≠-6)
America/Rankin_Inlet2001‑04‑01 07:59Z (-5≠-6)
2004‑04‑04 07:59Z2004‑04‑04 01:59L
2004‑04‑04 08:00Z2004‑04‑04 03:00L
2004‑10‑31 06:59Z2004‑10‑31 01:59L
2004‑10‑31 07:00Z2004‑10‑31 01:00L
14‑6/‑5America/Winnipeg
2004‑04‑04 07:59Z2004‑04‑04 01:59L
2004‑04‑04 08:00Z2004‑04‑04 03:00L
2004‑10‑31 07:59Z2004‑10‑31 02:59L
2004‑10‑31 08:00Z2004‑10‑31 02:00L
15‑5/‑6Pacific/Easter
2004‑03‑14 02:59Z2004‑03‑13 21:59L
2004‑03‑14 03:01Z2004‑03‑13 21:01L
2004‑10‑10 03:59Z2004‑10‑09 21:59L
2004‑10‑10 04:01Z2004‑10‑09 23:01L
16‑5America/Indiana/Knox
America/Guayaquil1991‑04‑07 07:59Z (-5≠-6)
America/Cayman1931‑01‑01 05:13Z (-5≠-5.233)
America/Panama1912‑02‑01 05:07Z (-5≠-5.12)
Etc/GMT+51908‑04‑22 05:19Z (-5≠-5.327)
America/IndianapolisUS Eastern1970‑10‑25 05:59Z (-4≠-5)
America/Indiana/Vevay1972‑10‑29 05:59Z (-4≠-5)
America/Indiana/Marengo1975‑10‑26 05:59Z (-4≠-5)
America/Jamaica1983‑10‑30 05:59Z (-4≠-5)
America/Rio_Branco1988‑02‑07 03:59Z (-4≠-5)
America/BogotaSA Pacific1992‑12‑31 03:59Z (-4≠-5)
America/Eirunepe1994‑02‑20 03:59Z (-4≠-5)
America/Lima1994‑04‑01 03:59Z (-4≠-5)
America/Port-au-Prince1997‑10‑26 05:59Z (-4≠-5)
17‑5/‑4America/Grand_Turk
2004‑04‑04 04:59Z2004‑04‑03 23:59L
2004‑04‑04 05:00Z2004‑04‑04 01:00L
2004‑10‑31 03:59Z2004‑10‑30 23:59L
2004‑10‑31 04:00Z2004‑10‑30 23:00L
18‑5/‑4America/Havana
2004‑04‑04 04:59Z2004‑04‑03 23:59L
2004‑04‑04 05:00Z2004‑04‑04 01:00L
2004‑10‑31 04:59Z2004‑10‑31 00:59L
2004‑10‑31 05:00Z2004‑10‑31 00:00L
19‑5/‑4America/Iqaluit
America/Pangnirtung1995‑04‑02 06:59Z (-4≠-5)
America/Kentucky/Monticello1999‑10‑31 06:59Z (-5≠-6)
America/Nipigon2000‑10‑29 05:59Z (-4≠-5)
America/Thunder_Bay1972‑10‑29 05:59Z (-4≠-5)
America/Nassau1973‑10‑28 05:59Z (-4≠-5)
America/Montreal1963‑10‑27 05:59Z (-4≠-5)
America/Detroit1974‑04‑28 06:59Z (-4≠-5)
America/Louisville1975‑04‑27 06:59Z (-4≠-5)
America/New_YorkEastern1974‑10‑27 05:59Z (-4≠-5)
2004‑04‑04 06:59Z2004‑04‑04 01:59L
2004‑04‑04 07:00Z2004‑04‑04 03:00L
2004‑10‑31 05:59Z2004‑10‑31 01:59L
2004‑10‑31 06:00Z2004‑10‑31 01:00L
20‑4America/Santo_Domingo
America/Aruba2000‑12‑03 05:59Z (-4≠-5)
America/Curacao1912‑02‑12 04:40Z (-4.5≠-4.673)
America/CaracasSA Western1912‑02‑12 04:35Z (-4.5≠-4.596)
America/Antigua1965‑01‑01 04:29Z (-4≠-4.5)
America/Anguilla1951‑01‑01 04:59Z (-4≠-5)
America/St_Kitts1912‑03‑02 04:11Z (-4≠-4.204)
America/Port_of_Spain1912‑03‑02 04:10Z (-4≠-4.181)
America/St_Vincent1912‑03‑02 04:05Z (-4≠-4.101)
America/St_Lucia1912‑01‑01 04:04Z (-4≠-4.082)
America/St_Thomas1912‑01‑01 04:03Z (-4≠-4.067)
America/Tortola1911‑07‑01 04:19Z (-4≠-4.329)
America/Montserrat1911‑07‑01 04:18Z (-4≠-4.308)
America/Grenada1911‑07‑01 04:09Z (-4≠-4.148)
America/Dominica1911‑07‑01 04:06Z (-4≠-4.117)
America/Guadeloupe1911‑07‑01 04:06Z (-4≠-4.093)
Etc/GMT+41911‑06‑08 04:06Z (-4≠-4.102)
America/La_Paz1932‑03‑21 03:32Z (-3.543≠-4)
America/Puerto_Rico1945‑09‑30 04:59Z (-3≠-4)
America/Barbados1980‑09‑25 04:59Z (-3≠-4)
America/Martinique1980‑09‑28 02:59Z (-3≠-4)
America/Porto_Velho1988‑02‑07 02:59Z (-3≠-4)
America/Guyana1991‑01‑01 02:59Z (-3≠-4)
America/Manaus1994‑02‑20 02:59Z (-3≠-4)
America/Boa_Vista2000‑02‑27 02:59Z (-3≠-4)
21‑4/‑3America/Goose_Bay
2004‑04‑04 04:00Z2004‑04‑04 00:00L
2004‑04‑04 04:01Z2004‑04‑04 01:01L
2004‑10‑31 03:00Z2004‑10‑31 00:00L
2004‑10‑31 03:01Z2004‑10‑30 23:01L
22‑4/‑3America/Thule
Atlantic/Bermuda1992‑10‑25 04:59Z (-3≠-4)
America/Glace_Bay1973‑10‑28 04:59Z (-3≠-4)
America/HalifaxAtlantic1971‑10‑31 04:59Z (-3≠-4)
2004‑04‑04 05:59Z2004‑04‑04 01:59L
2004‑04‑04 06:00Z2004‑04‑04 03:00L
2004‑10‑31 04:59Z2004‑10‑31 01:59L
2004‑10‑31 05:00Z2004‑10‑31 01:00L
23‑3.5/‑2.5America/St_JohnsNewfoundland
2004‑04‑04 03:30Z2004‑04‑04 00:00L
2004‑04‑04 03:31Z2004‑04‑04 01:01L
2004‑10‑31 02:30Z2004‑10‑31 00:00L
2004‑10‑31 02:31Z2004‑10‑30 23:01L
24‑3/‑4America/Cuiaba
2004‑02‑15 02:59Z2004‑02‑14 23:59L
2004‑02‑15 03:01Z2004‑02‑14 23:01L
2004‑10‑10 03:59Z2004‑10‑09 23:59L
2004‑10‑10 04:01Z2004‑10‑10 01:01L
25‑3/‑4America/SantiagoPacific SA
Antarctica/Palmer1982‑05‑01 02:59Z (-3≠-4)
2004‑03‑14 02:59Z2004‑03‑13 23:59L
2004‑03‑14 03:01Z2004‑03‑13 23:01L
2004‑10‑10 03:59Z2004‑10‑09 23:59L
2004‑10‑10 04:01Z2004‑10‑10 01:01L
26‑3/‑4Atlantic/Stanley
2004‑04‑18 04:59Z2004‑04‑18 01:59L
2004‑04‑18 05:00Z2004‑04‑18 01:00L
2004‑09‑05 05:59Z2004‑09‑05 01:59L
2004‑09‑05 06:01Z2004‑09‑05 03:01L
27‑3/‑4America/Asuncion
2004‑04‑04 02:59Z2004‑04‑03 23:59L
2004‑04‑04 03:00Z2004‑04‑03 23:00L
2004‑09‑05 03:59Z2004‑09‑04 23:59L
2004‑09‑05 04:01Z2004‑09‑05 01:01L
28‑3America/Paramaribo
America/Cayenne1984‑10‑01 03:29Z (-3≠-3.5)
Etc/GMT+31967‑10‑01 03:59Z (-3≠-4)
Antarctica/Rothera1976‑11‑30 23:59Z (0≠-3)
America/Belem1988‑02‑07 01:59Z (-2≠-3)
America/Montevideo1993‑02‑28 01:59Z (-2≠-3)
America/Mendoza1993‑03‑07 01:59Z (-2≠-3)
America/CordobaAmerica/Catamarca1992‑10‑18 03:59Z (-2≠-4)
America/Buenos_AiresSA Eastern1991‑10‑20 03:59Z (-2≠-4)
America/Jujuy1991‑10‑20 02:59Z (-2≠-3)
America/Recife2002‑02‑17 01:59Z (-2≠-3)
America/Fortaleza1914‑01‑01 02:33Z (-2.567≠-3)
America/Maceio1996‑02‑11 01:59Z (-2≠-3)
29‑3/‑2America/GodthabGreenland
2004‑03‑28 00:59Z2004‑03‑27 21:59L
2004‑03‑28 01:01Z2004‑03‑27 23:01L
2004‑10‑31 00:59Z2004‑10‑30 22:59L
2004‑10‑31 01:00Z2004‑10‑30 22:00L
30‑3/‑2America/Miquelon
2004‑04‑04 04:59Z2004‑04‑04 01:59L
2004‑04‑04 05:00Z2004‑04‑04 03:00L
2004‑10‑31 03:59Z2004‑10‑31 01:59L
2004‑10‑31 04:00Z2004‑10‑31 01:00L
31‑2/‑3America/Araguaina
America/Sao_PauloE. South America1995‑02‑19 01:59Z (-2≠-3)
2004‑02‑15 01:59Z2004‑02‑14 23:59L
2004‑02‑15 02:01Z2004‑02‑14 23:01L
2004‑10‑10 02:59Z2004‑10‑09 23:59L
2004‑10‑10 03:01Z2004‑10‑10 01:01L
32‑2Etc/GMT+2Atlantic/South_Georgia
America/NoronhaMid-Atlantic1990‑02‑11 00:59Z (-1≠-2)
33‑1Atlantic/Cape_VerdeCape Verde
Etc/GMT+11975‑11‑25 03:59Z (-1≠-2)
34‑1/0America/Scoresbysund
Atlantic/AzoresAzores1993‑03‑28 00:59Z (0≠-1)
2004‑03‑28 00:59Z2004‑03‑27 23:59L
2004‑03‑28 01:01Z2004‑03‑28 01:01L
2004‑10‑31 00:59Z2004‑10‑31 00:59L
2004‑10‑31 01:00Z2004‑10‑31 00:00L
350America/Danmarkshavn
Africa/El_Aaiun1996‑01‑01 02:59Z (0≠-3)
Africa/Bissau1976‑04‑14 00:59Z (0≠-1)
Africa/Monrovia1975‑01‑01 00:59Z (0≠-1)
Atlantic/Reykjavik1972‑05‑01 00:44Z (0≠-0.742)
Africa/Banjul1968‑04‑07 01:59Z (0≠-1)
Africa/Nouakchott1964‑01‑01 00:59Z (0≠-1)
Africa/Bamako1960‑11‑28 00:59Z (0≠-1)
Africa/Conakry1960‑06‑20 00:59Z (0≠-1)
Atlantic/St_Helena1960‑01‑01 00:59Z (0≠-1)
Africa/Dakar1951‑01‑01 00:22Z (0≠-0.38)
Africa/Sao_Tome1941‑06‑01 00:59Z (0≠-1)
Africa/Abidjan1912‑01‑01 00:36Z (0≠-0.609)
Africa/Timbuktu1912‑01‑01 00:16Z (0≠-0.269)
Africa/Ouagadougou1912‑01‑01 00:11Z (0≠-0.201)
Etc/GMTAfrica/Lome, Etc/UCT, Etc/UTC1912‑01‑01 00:05Z (0≠-0.101)
Africa/Accra1942‑12‑30 23:39Z (0.333≠0)
Africa/Freetown1962‑08‑31 22:59Z (1≠0)
Africa/CasablancaGreenwich1985‑12‑31 22:59Z (1≠0)
360/1Atlantic/Madeira
Atlantic/Faeroe1983‑03‑27 01:59Z (1≠0)
WET1980‑09‑28 00:59Z (1≠0)
Atlantic/Canary1980‑04‑06 00:59Z (1≠0)
Europe/Dublin1995‑10‑22 00:59Z (1≠0)
Europe/LondonGMT1948‑04‑18 01:59Z (1≠0)
Europe/Belfast1916‑10‑01 02:25Z (0.578≠0)
Europe/Lisbon1996‑03‑31 00:59Z (1≠0)
2004‑03‑28 00:59Z2004‑03‑28 00:59L
2004‑03‑28 01:01Z2004‑03‑28 02:01L
2004‑10‑31 00:59Z2004‑10‑31 01:59L
2004‑10‑31 01:00Z2004‑10‑31 01:00L
371Africa/Algiers
Africa/Malabo1981‑04‑30 23:59Z (1≠0)
Africa/Niamey1963‑12‑14 23:59Z (1≠0)
Africa/Porto-Novo1959‑12‑31 23:59Z (1≠0)
Africa/LagosW. Central Africa1934‑02‑25 23:59Z (1≠0)
Africa/Libreville1919‑08‑31 23:46Z (1≠0.227)
Africa/Douala1911‑12‑31 23:21Z (1≠0.63)
Africa/Luanda1911‑12‑31 23:20Z (1≠0.647)
Etc/GMT-1Africa/Kinshasa1911‑05‑25 23:07Z (1≠0.868)
Africa/Bangui1911‑12‑31 22:45Z (1.239≠1)
Africa/Brazzaville1911‑12‑31 22:58Z (1.019≠1)
Africa/Ndjamena1980‑03‑07 21:59Z (2≠1)
Africa/Tunis1990‑09‑29 22:59Z (2≠1)
381/2Europe/Warsaw
Africa/Ceuta1998‑10‑25 00:59Z (2≠1)
Europe/Andorra1985‑09‑29 00:59Z (2≠1)
Europe/Tirane1984‑09‑30 00:59Z (2≠1)
Europe/LjubljanaEurope/Belgrade, Central Europe, Europe/Sarajevo, Central European, Europe/Skopje, Europe/Zagreb1984‑03‑31 22:59Z (2≠1)
Europe/Gibraltar1982‑09‑26 00:59Z (2≠1)
Europe/Vaduz1981‑09‑27 00:59Z (2≠1)
Europe/Zurich1942‑10‑03 21:59Z (2≠1)
Europe/Malta1980‑09‑20 23:59Z (2≠1)
Europe/Vienna1980‑09‑27 21:59Z (2≠1)
Europe/Stockholm1980‑09‑28 00:59Z (2≠1)
Europe/Copenhagen1948‑08‑08 00:59Z (2≠1)
Europe/BerlinW. Europe1949‑10‑02 00:59Z (2≠1)
Europe/OsloAtlantic/Jan_Mayen1965‑09‑19 00:59Z (2≠1)
Europe/RomeEurope/San_Marino, Europe/Vatican1979‑09‑29 22:59Z (2≠1)
Europe/PragueEurope/Bratislava1979‑09‑30 00:59Z (2≠1)
Europe/Madrid1978‑09‑30 22:59Z (2≠1)
CETMET1978‑10‑01 00:59Z (2≠1)
Europe/Amsterdam1945‑09‑16 00:59Z (2≠1)
Europe/Brussels1946‑10‑07 00:59Z (2≠1)
Europe/Luxembourg1944‑09‑18 00:59Z (2≠1)
Europe/Monaco1976‑09‑25 22:59Z (2≠1)
Europe/ParisRomance1942‑03‑08 22:59Z (2≠1)
Europe/Budapest1980‑04‑06 00:59Z (2≠1)
2004‑03‑28 00:59Z2004‑03‑28 01:59L
2004‑03‑28 01:01Z2004‑03‑28 03:01L
2004‑10‑31 00:59Z2004‑10‑31 02:59L
2004‑10‑31 01:00Z2004‑10‑31 02:00L
392/1Africa/Windhoek
2004‑04‑03 23:59Z2004‑04‑04 01:59L
2004‑04‑04 00:00Z2004‑04‑04 01:00L
2004‑09‑05 00:59Z2004‑09‑05 01:59L
2004‑09‑05 01:00Z2004‑09‑05 03:00L
402Africa/Tripoli
Africa/Lusaka1997‑04‑03 22:59Z (2≠1)
Etc/GMT-2Africa/Bujumbura, Africa/Lubumbashi1903‑02‑28 22:06Z (2≠1.886)
Africa/Blantyre1903‑02‑28 21:39Z (2.333≠2)
Africa/Maputo1903‑02‑28 21:49Z (2.172≠2)
Africa/Mbabane1903‑02‑28 21:55Z (2.073≠2)
Africa/Harare1903‑02‑28 21:55Z (2.07≠2)
Africa/Kigali1935‑05‑31 21:59Z (2.004≠2)
Africa/Maseru1944‑03‑18 22:59Z (3≠2)
Africa/Gaborone1903‑02‑28 22:09Z (2≠1.833)
Africa/JohannesburgSouth Africa1943‑03‑20 22:59Z (3≠2)
412/3Asia/JerusalemIsrael
2004‑04‑06 22:59Z2004‑04‑07 00:59L
2004‑04‑06 23:00Z2004‑04‑07 02:00L
2004‑09‑21 21:59Z2004‑09‑22 00:59L
2004‑09‑21 22:00Z2004‑09‑22 00:00L
422/3Asia/Amman
2004‑03‑24 21:59Z2004‑03‑24 23:59L
2004‑03‑24 22:00Z2004‑03‑25 01:00L
2004‑09‑29 21:59Z2004‑09‑30 00:59L
2004‑09‑29 22:01Z2004‑09‑30 00:01L
432/3Africa/CairoEgypt
2004‑04‑29 21:59Z2004‑04‑29 23:59L
2004‑04‑29 22:01Z2004‑04‑30 01:01L
2004‑09‑30 20:59Z2004‑09‑30 23:59L
2004‑09‑30 21:01Z2004‑09‑30 23:01L
442/3Asia/Damascus
2004‑03‑31 21:59Z2004‑03‑31 23:59L
2004‑03‑31 22:01Z2004‑04‑01 01:01L
2004‑09‑30 20:59Z2004‑09‑30 23:59L
2004‑09‑30 21:01Z2004‑09‑30 23:01L
452/3Asia/Gaza
2004‑04‑15 21:59Z2004‑04‑15 23:59L
2004‑04‑15 22:01Z2004‑04‑16 01:01L
2004‑10‑14 20:59Z2004‑10‑14 23:59L
2004‑10‑14 21:01Z2004‑10‑14 23:01L
462/3Asia/Beirut
2004‑03‑27 21:59Z2004‑03‑27 23:59L
2004‑03‑27 22:01Z2004‑03‑28 01:01L
2004‑10‑30 20:59Z2004‑10‑30 23:59L
2004‑10‑30 21:01Z2004‑10‑30 23:01L
472/3Europe/Kaliningrad
Europe/Minsk1992‑09‑26 21:59Z (3≠2)
2004‑03‑27 23:59Z2004‑03‑28 01:59L
2004‑03‑28 00:01Z2004‑03‑28 03:01L
2004‑10‑30 23:59Z2004‑10‑31 02:59L
2004‑10‑31 00:00Z2004‑10‑31 02:00L
482/3Europe/Vilnius
Europe/Tallinn2002‑10‑27 00:59Z (3≠2)
Europe/Riga2001‑10‑28 00:59Z (3≠2)
Europe/Sofia2000‑10‑29 00:59Z (3≠2)
Europe/Chisinau1991‑09‑28 23:59Z (3≠2)
Europe/BucharestE. Europe1993‑09‑25 21:59Z (3≠2)
Europe/Uzhgorod1996‑10‑27 00:59Z (3≠2)
Europe/Kiev1991‑03‑31 01:59Z (2≠1)
Europe/Zaporozhye1991‑09‑28 20:59Z (3≠2)
Europe/IstanbulGTB1994‑09‑25 00:59Z (3≠2)
Europe/HelsinkiFLE1990‑09‑30 00:59Z (3≠2)
Europe/Athens1980‑09‑27 20:59Z (3≠2)
EET1980‑09‑28 00:59Z (3≠2)
Europe/Simferopol1997‑03‑30 00:59Z (3≠2)
Asia/Nicosia1998‑03‑29 00:59Z (3≠2)
2004‑03‑28 00:59Z2004‑03‑28 02:59L
2004‑03‑28 01:01Z2004‑03‑28 04:01L
2004‑10‑31 00:59Z2004‑10‑31 03:59L
2004‑10‑31 01:00Z2004‑10‑31 03:00L
493Africa/Khartoum
Africa/Dar_es_Salaam2000‑01‑15 09:59Z (3≠2)
Africa/NairobiE. Africa1960‑12‑31 21:15Z (3≠2.746)
Antarctica/Syowa1959‑12‑31 21:15Z (3≠2.746)
Africa/Mogadishu1957‑01‑28 23:59Z (3≠0)
Africa/Kampala1956‑12‑31 21:29Z (3≠2.5)
Africa/Addis_AbabaAfrica/Asmera1956‑12‑31 21:15Z (3≠2.746)
Africa/Djibouti1936‑05‑04 21:24Z (3≠2.589)
Indian/Comoro1911‑06‑30 21:07Z (3≠2.877)
Etc/GMT-31911‑06‑30 21:06Z (3≠2.884)
Indian/Mayotte1911‑06‑30 20:58Z (3.016≠3)
Asia/Kuwait1949‑12‑31 20:47Z (3.199≠3)
Asia/RiyadhArab1949‑12‑31 20:52Z (3.114≠3)
Asia/Aden1949‑12‑31 20:58Z (3.013≠3)
Indian/Antananarivo1954‑05‑29 19:59Z (4≠3)
Asia/Bahrain1972‑05‑31 19:59Z (4≠3)
Asia/Qatar1919‑12‑31 20:37Z (4≠3.372)
503/4Asia/BaghdadArabic
2004‑03‑31 23:59Z2004‑04‑01 02:59L
2004‑04‑01 00:01Z2004‑04‑01 04:01L
2004‑09‑30 23:59Z2004‑10‑01 03:59L
2004‑10‑01 00:00Z2004‑10‑01 03:00L
513/4Europe/MoscowRussian
2004‑03‑27 22:59Z2004‑03‑28 01:59L
2004‑03‑27 23:01Z2004‑03‑28 03:01L
2004‑10‑30 22:59Z2004‑10‑31 02:59L
2004‑10‑30 23:00Z2004‑10‑31 02:00L
523.118Asia/Riyadh89
Asia/Riyadh881989‑12‑20 08:50Z (3.118≠3.034)
Asia/Riyadh871988‑12‑27 08:53Z (3.118≠3.048)
533.5/4.5Asia/TehranIran
2004‑03‑20 20:29Z2004‑03‑20 23:59L
2004‑03‑20 20:31Z2004‑03‑21 01:01L
2004‑09‑20 19:29Z2004‑09‑20 23:59L
2004‑09‑20 19:30Z2004‑09‑20 23:00L
544Asia/Dubai
Asia/MuscatArabian1919‑12‑31 20:18Z (4≠3.687)
Indian/Reunion1919‑12‑31 20:05Z (4≠3.906)
Indian/Mauritius1911‑05‑31 20:17Z (4≠3.698)
Indian/Mahe1906‑12‑31 20:09Z (4≠3.833)
Etc/GMT-41906‑05‑31 20:18Z (4≠3.697)
554/5Asia/TbilisiCaucasus
2004‑03‑27 19:59Z2004‑03‑27 23:59L
2004‑03‑27 20:00Z2004‑03‑28 01:00L
2004‑10‑30 18:59Z2004‑10‑30 23:59L
2004‑10‑30 19:01Z2004‑10‑30 23:01L
564/5Asia/Baku
2004‑03‑27 20:59Z2004‑03‑28 00:59L
2004‑03‑27 21:00Z2004‑03‑28 02:00L
2004‑10‑30 19:59Z2004‑10‑31 00:59L
2004‑10‑30 20:01Z2004‑10‑31 00:01L
574/5Asia/Yerevan
Asia/Aqtau1996‑10‑26 21:59Z (5≠4)
Europe/Samara1995‑09‑23 21:59Z (5≠5)
Asia/Oral1991‑10‑19 23:59Z (4≠3)
2004‑03‑27 21:59Z2004‑03‑28 01:59L
2004‑03‑27 22:01Z2004‑03‑28 03:01L
2004‑10‑30 21:59Z2004‑10‑31 02:59L
2004‑10‑30 22:01Z2004‑10‑31 02:01L
584.5Asia/KabulAfghanistan
595Asia/Ashgabat
Indian/Maldives1992‑01‑18 21:59Z (5≠4)
Indian/Kerguelen1959‑12‑31 19:05Z (5≠4.9)
Etc/GMT-51949‑12‑31 23:59Z (5≠0)
Asia/Dushanbe1991‑09‑08 20:59Z (6≠5)
Asia/Samarkand1992‑09‑26 16:59Z (6≠5)
Asia/Tashkent1981‑09‑30 16:59Z (7≠6)
Asia/KarachiWest Asia2002‑10‑05 18:00Z (6≠5)
605/6Asia/Bishkek
2004‑03‑27 21:29Z2004‑03‑28 02:29L
2004‑03‑27 21:30Z2004‑03‑28 03:30L
2004‑10‑30 20:29Z2004‑10‑31 02:29L
2004‑10‑30 20:31Z2004‑10‑31 01:31L
615/6Asia/YekaterinburgEkaterinburg
Asia/Aqtobe1992‑01‑18 21:59Z (5≠4)
2004‑03‑27 20:59Z2004‑03‑28 01:59L
2004‑03‑27 21:00Z2004‑03‑28 03:00L
2004‑10‑30 20:59Z2004‑10‑31 02:59L
2004‑10‑30 21:01Z2004‑10‑31 02:01L
625.5Asia/CalcuttaIndia
635.75Asia/KatmanduNepal
646Indian/Chagos
Asia/Thimphu1995‑12‑31 18:59Z (6≠5)
Antarctica/Vostok1987‑09‑30 18:29Z (6≠5.5)
Antarctica/Mawson1957‑12‑15 23:59Z (6≠0)
Etc/GMT-61954‑02‑12 23:59Z (6≠0)
Asia/DhakaCentral Asia1951‑09‑29 17:29Z (6.5≠6)
Asia/ColomboSri Lanka1996‑10‑25 17:59Z (6.5≠6)
656/7Asia/Qyzylorda
Asia/Omsk1991‑09‑28 20:59Z (6≠5)
Asia/Almaty1992‑01‑18 20:59Z (6≠5)
Asia/NovosibirskN. Central Asia1993‑05‑22 15:59Z (8≠7)
2004‑03‑27 19:59Z2004‑03‑28 01:59L
2004‑03‑27 20:00Z2004‑03‑28 03:00L
2004‑10‑30 19:59Z2004‑10‑31 02:59L
2004‑10‑30 20:01Z2004‑10‑31 02:01L
666.5Indian/Cocos
Asia/RangoonMyanmar1945‑05‑02 14:59Z (9≠6.5)
677Antarctica/Davis
Asia/BangkokSE Asia1969‑01‑31 23:59Z (7≠0)
Etc/GMT-7Indian/Christmas1920‑03‑31 17:17Z (7≠6.701)
Asia/Vientiane1931‑04‑30 15:59Z (8≠7)
Asia/Phnom_Penh1906‑06‑08 17:09Z (7.106≠6.84)
Asia/Saigon1906‑06‑08 17:00Z (7.106≠6.994)
Asia/Jakarta1963‑12‑31 16:29Z (7.5≠7)
Asia/Pontianak1987‑12‑31 15:59Z (8≠7)
Asia/Hovd2001‑09‑27 18:59Z (8≠7)
687/8Asia/KrasnoyarskNorth Asia
2004‑03‑27 18:59Z2004‑03‑28 01:59L
2004‑03‑27 19:00Z2004‑03‑28 03:00L
2004‑10‑30 18:59Z2004‑10‑31 02:59L
2004‑10‑30 19:01Z2004‑10‑31 02:01L
698Asia/SingaporeSingapore, Asia/Kuala_Lumpur
Antarctica/Casey1982‑04‑30 16:29Z (8≠7.5)
Asia/Brunei1968‑12‑31 23:59Z (8≠0)
Etc/GMT-81932‑12‑31 16:29Z (8≠7.5)
Asia/Makassar1945‑07‑31 14:59Z (9≠8)
Asia/Kuching1945‑09‑01 14:59Z (9≠8)
Asia/Manila1978‑09‑20 14:59Z (9≠8)
Asia/TaipeiTaipei1980‑09‑29 14:59Z (9≠8)
Asia/Macau1980‑10‑18 14:59Z (9≠8)
Asia/Hong_KongChina1980‑10‑18 18:29Z (9≠8)
Asia/Kashgar1991‑09‑14 14:59Z (9≠8)
Asia/Urumqi1980‑04‑30 18:59Z (8≠5)
Asia/Chongqing1980‑04‑30 17:59Z (8≠6)
Asia/Shanghai1980‑04‑30 16:59Z (8≠7)
Asia/Harbin1980‑04‑30 15:29Z (8.5≠8)
Australia/PerthW. Australia1992‑02‑29 17:59Z (9≠8)
Asia/Ulaanbaatar2001‑09‑27 17:59Z (9≠8)
708/9Asia/IrkutskNorth Asia East
2004‑03‑27 17:59Z2004‑03‑28 01:59L
2004‑03‑27 18:00Z2004‑03‑28 03:00L
2004‑10‑30 17:59Z2004‑10‑31 02:59L
2004‑10‑30 18:01Z2004‑10‑31 02:01L
719Asia/Dili
Asia/Pyongyang2000‑09‑16 15:59Z (9≠8)
Pacific/Palau1961‑08‑09 15:59Z (9≠8)
Etc/GMT-9Asia/Tokyo, Tokyo1900‑12‑31 15:01Z (9≠8.966)
Asia/Jayapura1963‑12‑31 14:29Z (9.5≠9)
Asia/SeoulKorea1988‑10‑08 13:59Z (10≠9)
Asia/Choibalsan2001‑09‑27 16:59Z (10≠9)
729/10Asia/YakutskYakutsk
2004‑03‑27 16:59Z2004‑03‑28 01:59L
2004‑03‑27 17:00Z2004‑03‑28 03:00L
2004‑10‑30 16:59Z2004‑10‑31 02:59L
2004‑10‑30 17:01Z2004‑10‑31 02:01L
739.5Australia/DarwinAUS Central
7410Pacific/Saipan
Pacific/Yap1900‑12‑31 14:47Z (9.209≠9)
Antarctica/DumontDUrville1969‑09‑30 14:59Z (10≠9)
Pacific/GuamWest Pacific1956‑10‑31 23:59Z (10≠0)
Etc/GMT-10Pacific/Port_Moresby1900‑12‑31 14:20Z (10≠9.65)
Pacific/Truk1900‑12‑31 13:52Z (10.119≠10)
Australia/BrisbaneE. Australia1992‑02‑29 15:59Z (11≠10)
Australia/Lindeman1994‑03‑05 15:59Z (11≠10)
7510/11Asia/VladivostokVladivostok
Asia/Sakhalin1997‑03‑29 15:59Z (11≠10)
2004‑03‑27 15:59Z2004‑03‑28 01:59L
2004‑03‑27 16:00Z2004‑03‑28 03:00L
2004‑10‑30 15:59Z2004‑10‑31 02:59L
2004‑10‑30 16:01Z2004‑10‑31 02:01L
7610.5/9.5Australia/Broken_Hill
Australia/AdelaideCen. Australia1995‑03‑25 16:29Z (10.5≠9.5)
2004‑03‑27 16:29Z2004‑03‑28 02:59L
2004‑03‑27 16:30Z2004‑03‑28 02:00L
2004‑10‑30 16:29Z2004‑10‑31 01:59L
2004‑10‑30 16:31Z2004‑10‑31 03:01L
7711/10Australia/SydneyAUS Eastern
Australia/Melbourne1995‑03‑25 15:59Z (11≠10)
2004‑03‑27 15:59Z2004‑03‑28 02:59L
2004‑03‑27 16:00Z2004‑03‑28 02:00L
2004‑10‑30 15:59Z2004‑10‑31 01:59L
2004‑10‑30 16:01Z2004‑10‑31 03:01L
7811/10.5Australia/Lord_Howe
2004‑03‑27 14:59Z2004‑03‑28 01:59L
2004‑03‑27 15:00Z2004‑03‑28 01:30L
2004‑10‑30 15:29Z2004‑10‑31 01:59L
2004‑10‑30 15:31Z2004‑10‑31 02:31L
7911/10Australia/HobartTasmania
2004‑03‑27 15:59Z2004‑03‑28 02:59L
2004‑03‑27 16:00Z2004‑03‑28 02:00L
2004‑10‑02 15:59Z2004‑10‑03 01:59L
2004‑10‑02 16:01Z2004‑10‑03 03:01L
8011Pacific/Guadalcanal
Pacific/Ponape1912‑09‑30 13:20Z (11≠10.663)
Etc/GMT-111900‑12‑31 13:26Z (11≠10.548)
Pacific/Efate1993‑01‑23 11:59Z (12≠11)
Pacific/Noumea1997‑03‑01 14:59Z (12≠11)
Pacific/Kosrae1998‑12‑31 11:59Z (12≠11)
8111/12Asia/MagadanCentral Pacific
2004‑03‑27 14:59Z2004‑03‑28 01:59L
2004‑03‑27 15:00Z2004‑03‑28 03:00L
2004‑10‑30 14:59Z2004‑10‑31 02:59L
2004‑10‑30 15:01Z2004‑10‑31 02:01L
8211.5Pacific/Norfolk
8312Pacific/Kwajalein
Pacific/Nauru1993‑08‑20 11:59Z (12≠-12)
Pacific/Majuro1979‑04‑30 12:29Z (12≠11.5)
Pacific/Wake1969‑09‑30 12:59Z (12≠11)
Pacific/Tarawa1900‑12‑31 12:53Z (12≠11.108)
Pacific/Funafuti1900‑12‑31 12:27Z (12≠11.534)
Etc/GMT-121900‑12‑31 12:02Z (12≠11.948)
Pacific/Wallis1900‑12‑31 11:44Z (12.256≠12)
Pacific/FijiFiji2000‑02‑26 13:59Z (13≠12)
8412/13Asia/Kamchatka
Asia/Anadyr1982‑03‑31 11:59Z (13≠12)
2004‑03‑27 13:59Z2004‑03‑28 01:59L
2004‑03‑27 14:00Z2004‑03‑28 03:00L
2004‑10‑30 13:59Z2004‑10‑31 02:59L
2004‑10‑30 14:01Z2004‑10‑31 02:01L
8513/12Antarctica/McMurdo
Pacific/AucklandNew Zealand1955‑12‑31 23:59Z (12≠0)
2004‑03‑20 13:59Z2004‑03‑21 02:59L
2004‑03‑20 14:01Z2004‑03‑21 02:01L
2004‑10‑02 13:59Z2004‑10‑03 01:59L
2004‑10‑02 14:01Z2004‑10‑03 03:01L
8613Pacific/Enderbury
Etc/GMT-131995‑01‑01 10:59Z (13≠-11)
Pacific/TongatapuTonga2002‑01‑26 11:59Z (14≠13)
8713.75/12.75Pacific/Chatham
2004‑03‑20 13:59Z2004‑03‑21 03:44L
2004‑03‑20 14:01Z2004‑03‑21 02:46L
2004‑10‑02 13:59Z2004‑10‑03 02:44L
2004‑10‑02 14:01Z2004‑10‑03 03:46L
8814Pacific/Kiritimati
Etc/GMT-141995‑01‑01 09:59Z (14≠-10)

Summary

Total Zones408
Unique Zones, Always385
Unique Zones, Modern (Y2004)88